clear media;
clear media2;
media=sum(vel_espac);
media2(:,:)=media(1,:,:);    
hi=surf(vel(ind)*(11.5),x,media2(:,ind));
    set(hi,'edgecolor','none');
    hold off;
    view(0,90);
    xlabel('velocidade (m/s)');
    ylabel('x (m)');
    colorbar;
    axis tight;